Artinchip D121BBV

D12x is a high-performance, domestically developed, industrial-grade high-definition display and intelligent control MCU based on RISC-V. It is equipped with a powerful 2D graphics accelerator, PNG/JPEG decoding engine, and a rich set of interfaces. It supports industrial wide temperature range, features high reliability and high openness, and can be widely used in the fields of smart industry and smart home, such as industrial automation control and serial screens.

• CPU Core:
  • Single-core E907, RV32IMAFC ISA, 400MHz@1.1V
  • L1 instruction cache 32KB, L1 data cache 16KB
  • Physical Memory Protection (PMP)
  • On-core interrupt CLINT and interrupt controller CLIC
• System Boot: Default boot scan order: SD Card (SDMC1) → SPI NOR → SPI NAND → eMMC (SDMC0); boot medium can be changed and fixed by programming eFuse
• System Security:
  • SPI bus encryption module (SPI Crypto, SPI ENC), supports SPI NAND/SPI NOR online encryption/decryption
  • Data Check Engine (DCE), supports CRC-32 polynomial and checksum methods
  • Built-in eFuse 512bits, with 128bits available for user-defined use
• On-chip Memory:
  • BROM 32KB
  • SRAM 32KB
  • PSRAM two optional configurations: 64Mb, 16-bit width, max frequency 200MHz DDR; 32Mb, 8-bit width, max frequency 200MHz DDR
• Spread spectrum support
• Storage Interfaces:
  • QSPI supports SPI NOR Flash / SPI NAND Flash, supports single/dual/quad data lines, max rate SDR 100MHz
  • eMMC 4.41/SD 3.01/SDIO 3.0, 2 controllers total; eMMC 4 data lines, supports SDR25/SDR50/DDR50 modes; SD card supports SDR25/SDR50 modes, max rate DDR 50MHz, 3.3V IO voltage only
• Image Engine:
  • DE Display Engine: supports one UI layer, max performance 1024x768@60fps, supports dithering, gamma, and color matrix adjustment
  • GE Graphics Engine: supports 2D graphics acceleration, max performance 1080P@60fps, supports horizontal and vertical flip, 90/180/270° rotation, arbitrary-angle rotation for RGB formats with configurable scan order, supports 1/16x~16x scaling with bilinear filtering, supports command queue
  • VE Video Codec: JPEG decoder, max performance 720P@60fps; PNG decoder, max performance 720P@60fps
• Display Interfaces:
  • Supports 24-bit parallel RGB, max performance 1024x768@60fps
  • Supports SRGB/I8080/QSPI display interfaces
  • Spread spectrum support
  • Audio interface: stereo digital PWM output (DSPK)
• General-Purpose Interfaces:
  • 2× SPI, supports 3-wire/4-wire interface, configurable as Master/Slave
  • 4× UART, supports 2-wire/3-wire/4-wire interface, compatible with industry-standard 16550, baud rate deviation < 2%
  • 2× I2C, supports 7-bit and 10-bit addressing, max rate 400Kb/s
  • 2× CAN, supports CAN2.0A and CAN2.0B, programmable communication rate up to 1Mbps
  • 1× CIR, supports infrared input and output
  • 5× GPIO banks, 60 IOs total, each IO independently configurable: selectable no pull/pull-up 33KΩ/pull-down 33KΩ, 8-level adjustable output drive strength, input supports two-stage debounce and interrupt, data output register supports bit operations
• Counters:
  • GTC General Timer: supports 52-bit timer, provides system heartbeat clock, timing period exceeds 35 years, configurable to pause or continue counting in debug mode
  • WDOG Watchdog: supports interrupt and reset, configurable timeout 1ms~37 hours, configurable to pause or continue counting in debug mode, hardware write protection
  • PWM: built-in 16-bit counter, supports up to 2 complementary PWM channels
• Analog:
  • Built-in 6-channel 12-bit GPADC, sampling rate 1MSPS
  • Integrated RTP resistive touchscreen interface
• Clock and Power Management Clock Sources:
  • Crystal-less support using built-in OSC24M, accuracy ±1%
  • Supports external 24MHz crystal, accuracy depends on crystal
  • CMU with four built-in PLLs: PLL_INT0 dedicated to CPU, PLL_INT1 for bus, internal modules, and low-speed interface modules, PLL_FRA0 for storage interface modules with spread spectrum support, PLL_FRA2 for display output modules with spread spectrum support
  • LDO25 (2.5V 100mA), for system reset startup, ADC power supply, eFuse power supply
  • LDO18 (1.8V 100mA), available for PSRAM IO and PSRAM die power supply
  • LDO1x (0.9~1.9V 200mA, 25mV per step), available for VDD11_SYS power supply
  • Built-in THS temperature sensor, supports high/low temperature interrupt alerts and over-temperature chip reset

• Industrial automation control
• Serial display screens and other smart industrial and smart home applications